Shimano GRX FD-RX400 10-Speed Front Derailleur

star (4)
  • Lighter front shifting
  • Wider tire clearance
  • Precise and easy adjustment
WAS £40.00
SAVE 21%
Stock Status:
In stock for immediate despatch

The new GRX RX400 Front Derailleur is aimed at gravel bikes and provides fast and smooth shifting.

  • Ergonomic power curve
  • Integrated cable tension adjustment
  • Natural stroke feeling
  • Chain line +2.5 mm vs. conventional road FD
  • Compatible with up to 42mm tyres
  • More cable routing options

The GRX RX400 front derailleur has integrated tension adjust for easy adjustment and has more cable routing options compared to other derailleurs. Its compatible with up to 42mm tyres and Shimano have designed it so it has a natural stroke feeling.  



Customer Reviews

Customer Reviews

Good mech
Genuine one. perfect.
A necessity if you’re upgrading to GRX chain set due rot eh different chain line. Does the job flawlessly.
star star star star
They sent me the wrong product. Apparently Tweeks doesn't run their inventory well enough to match products with what you actually order

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Online we currently accept payment from the methods listed above including a wide range of finance options. In store we also accept payment in the form of cash and gift vouchers.

Finance Options

In order to get the kit you want, when you need it, without ruining the family finances we offer a highly flexible range of finance options to help you get the best products on your bike now rather than at the end of the season when you've saved up the cash to make the purchase. There are even interest free options which effectively spread the cost without costing you any extra.

D.T.(Automotives) Limited T/A Tweeks Cycles is authorised and regulated by the Financial Conduct Authority and is the broker and not the lender. Our FCA registration number is 689896. D.T.(Automotives) Limited offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance and Klarna. Credit is provided subject to affordability, age and status. Minimum spend applies. Not all products offered by Secure Trust Bank PLC are regulated by the Financial Conduct Authority.

Delivery & Returns

UK Mainland Delivery Prices

Delivery Type Cost Estimated Delivery Time
Standard Delivery for orders under £49.99 from £1.33 2-3 working days from day of despatch(Excludes weekends and Bank Holidays)
Standard Delivery for orders over £49.99 Free
Express Delivery from £1.68 1-2 working days from day of despatch(Excludes weekends and Bank Holidays)
Special Delivery from £12.54 For any next working day delivery order before 4pm Monday to Thursday.
For any weekend delivery order before 4pm Friday
Click & Collect from £7.62 Collect your parcel from a local post office. 2-3 working days from day of despatch(Excludes weekends and Bank Holidays)

For international shipping please visit our delivery page.

For information about returning an item please visit our returns page.